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Name: Ryukin Goldfish - In-store pickup only.

Scientific Name: Carassius auratus — Ryukin variety.

Description: A distinctive fancy goldfish with a deep, rounded body, a pronounced shoulder hump and a flowing double tail. The hump becomes more noticeable as the fish matures. Available in red, white, orange, calico and mixed colours, Ryukins make attractive additions to spacious fancy goldfish aquariums.

Origin: Captive-bred variety developed in Japan from Chinese goldfish stock.

pH: Approximately 7.0–8.0.

Temperature: Around 18–24°C; maintain stable conditions and avoid sudden temperature changes.

Adult Size: Approximately 15–20 cm, including the tail; some individuals grow larger.

Lifespan: Approximately 10–15 years, potentially longer with excellent care.

Food: Omnivorous. Feed quality sinking fancy goldfish pellets, supplemented with softened vegetables and occasional frozen foods such as brine shrimp or daphnia. Offer small portions and avoid overfeeding.

Compatibility: Best kept with similarly sized, robust fancy goldfish such as Fantails and suitable Orandas. Ryukins can be boisterous at feeding time, so monitor slower or delicate varieties. Avoid fin-nipping fish, tropical species with incompatible temperature requirements and fast-swimming Comets that may outcompete them.

Habitat: Provide a large, fully cycled freshwater aquarium with ample swimming space and smooth decorations. Use sand, a bare bottom or appropriately sized smooth gravel. Maintain effective filtration and good oxygenation without excessive current. Regular water changes are essential, as goldfish produce substantial waste. Unsuitable for bowls or small tanks.